Put-Call Ratio (Volume) (30-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

SELLAS Life Sciences Group, Inc. (SLS) had 30-Day Put-Call Ratio (Volume) of 0.0035 for 2025-12-04.

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Figures for 2025-12-04

Volatility Metrics
Historical Volatility (Close-to-Close)	1.0063
Historical Volatility (Parkinson)	0.8419
Implied Volatility (Calls)	1.3527
Implied Volatility (Puts)	1.6802
Implied Volatility (Mean)	1.5164
Put-Call Implied Volatility Ratio	1.2421
Implied Volatility Skew	-0.2092
Option Statistics
Put-Call Ratio (Volume)	0.0035
Put-Call Ratio (Open Interest)	0.1235